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RELAX
-20
-10
0
10
10 100
Vented 30 L Vented 50 L Sealed 20 L Seale d 30 L Seale d 50 L
157,6
R12
subwoofer
• 300 mm (12‘’) subwoofer
• Max. power 500 W / Nominal Power 250 W
Unit : mm
8x
312
297,6
4
12,8
TECHNICAL SPECIFICATIONS
Component
Max power
Nominal power
Impedance
Freq. Response
Sensitivity (2,83V/1m)
Magnet
Magnet size Ø x h
Total driver displacement
Weight of one component
Voice coil Ø
Voice coil height
Cone
Subwoofer
500 W
250 W
2 Ω
30 Hz - 500 Hz
94 dB
Ferrite
134 x 23 mm 5.276‘’x 0.906‘’
1.6 l 0.057 cf
3.57 kg 7.871 lb
50 mm 1.969“
21 mm 0.827“
Reinforced cellulose fiber cone
FREQUENCY RESPONSE / IMPEDANCE
138
49
134
279,2
THIELE-SMALL PARAMETERS
effective Ø (d)
Sd
Xmax
Re
Fs
Le
Le
Vas
Mms
Cms
BL
Qts
Qes
Qms
Sensitivity (dB/W/m)
240 mm
452.39 cm
7 mm
2 Ω
41.2 Hz
507.12 µH @ 1 kHz
1673.64 µH @10 kHz
35.70 L
120.14 g
0,000124 m/N
9.71 Tm
0.60
0.66
7.08
87.7 dB
2
dB
SEALED
Internal volume Vb F-3 dB Boost
20 L 54 Hz 1.3 dB at 92 hz
30 L 51 Hz 0.7 dB at 93 Hz
50 L 49 Hz 0.2 dB at 114 Hz
VENTED
Hz
Internal
volume Vb
30 L 10 cm 30 cm 41 Hz 4.4 dB at 70 Hz
50 L 10 cm 26 cm 32 Hz 2.7 dB at 60 Hz
Internal ø port Length
port
www.facebook.com/blamaudio
F-3dB Boost
www.blam-audio.com
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